Alternatively, go for one of these ...
Citizen Skyhawk
Titanium, Solar (any light really!) Powered and mine only loses a couple of seconds every few months!
That's the old model. Later generation (AT model) has WWWV reception like the Waveceptor et al. Never need to set it, or change the battery.
Lots of variations in materials and colours:
Citizen Skyhawk Watches - Citizen from Princeton Watches
I found the titanium felt too light, almost plasticky. So I went for the stainless, though I can see why some might not, it is a bit heavy.
I'm fcuked if I understand how the slide rule works though. I can use it, but I don't understand how it works with non-linear divisions.